Choose options
Highlights
- USB-C Charger: Includes SRAM's updated USB-C battery charger for convenient charging with modern devices.
- Wireless AXS Technology – Seamless integration into the SRAM AXS ecosystem with customizable controller mapping
- ActiveRide Compliance Mode – Comfort and control when dropped, firm and supportive when fully extended
- Air-Over-Air Internals – Efficient, durable, and easy to service with minimal tools
- Easy Install – No hoses or internal routing—just bolt it up and ride
- 100–250mm Travel Options – Offered in 25mm increments to fit more riders and bikes
- Improved Battery Clearance – Refined layout for easier access and less interference
- Shared AXS Battery/Charger – Simplifies setup and charging across the entire AXS ecosystem
- Full Replacement Parts Portfolio – Includes upper/lower tubes, piston, electronics module, and more
- Low-Maintenance Design – Standard lube service every 300 hours and a two-year service kit available
- Compatible with All Saddle Rail Types – Round and oval (7x7, 7x9, 7x10)
Description
The RockShox Reverb AXS B2 Dropper Post raises the bar for wireless performance with a tougher, more refined design and improved on-trail functionality. Built around an updated air-over-air internals system, the B2 delivers increased durability and consistency compared to previous Reverb AXS generations, it’s ready for everything from daily rides to aggressive trail use.
One of the standout updates is ActiveRide technology, which introduces built-in compliance when the post is in a partially dropped position. That means added comfort and traction on technical climbs, while still offering a firm, fully extended position when you need maximum pedaling efficiency. It’s a subtle but game-changing feature that enhances control on unpredictable terrain.
The collar-mounted battery not only keeps the system clean and easy to access, but also improves tire clearance, especially useful on modern bikes with tighter frame designs and longer travel. Like all AXS components, actuation is completely wireless, delivering fast, precise adjustments at the push of a button (AXS controller sold separately).
Designed for versatility, the Reverb AXS B2 is compatible with a wide range of saddle rail standards, making it easy to integrate into almost any setup.
| Travel: | 100mm, 125mm, 150mm |
| Actuation: | Wireless |
| Routing: | Wireless |
| Remote Included: | No |
| Warranty: | 2 years |




